4PJE

Structure of human MR1-Ac-6-FP in complex with human MAIT B-B10 TCR

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Major histocompatibility complex class I-related gene protein	polymer	271	31711.7	2	UniProt (Q95460) Pfam (PF00129) Pfam (PF07654) In PDB	Homo sapiens (Human)	MHC class I-related gene protein,Class I histocompatibility antigen-like protein
2	B, D	Beta-2-microglobulin	polymer	100	11879.4	2	UniProt (P61769) Pfam (PF07654) In PDB	Homo sapiens (Human)
3	E, G	TCR-alpha	polymer	205	22879.4	2		Homo sapiens (Human)
4	F, H	TCR-beta	polymer	245	27642.7	2		Homo sapiens (Human)
5	A, C, F	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
6	A, B, D, F, H	GLYCEROL	non-polymer		92.1	8	Chemie (GOL)
7	A, E	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
8	A, C	N-(6-formyl-4-oxo-3,4-dihydropteridin-2-yl)acetamide	non-polymer		233.2	2	Chemie (30W)
9	F, H	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
10		water	water		18.0	1463	Chemie (HOH)

Sequence modifications

A, C: 1 - 270 (UniProt: Q95460)

PDB	External Database	Details
Met 0	-	initiating methionine
Ser 261	Cys 283	engineered mutation

B, D: 1 - 99 (UniProt: P61769)

PDB	External Database	Details
Met 0	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	188226.2
Non-Polymers*	Number of molecules	18
	Total formula weight	1532.6
All*	Total formula weight	189758.8

*Water molecules are not included.